id	domain	url
ispiv-82	mathworks.com	https://mathworks.com/help/curvefit/least-squares-fitting.html
ispiv-82	mathworks.com	https://mathworks.com/help/curvefit/least-squares-fitting.html
ispiv-82	mathworks.com	https://mathworks.com/help/curvefit/smoothing-splines.html
ispiv-82	mathworks.com	https://mathworks.com/help/curvefit/smoothing-splines.html